Workbench extender



FIG. 1 is a front, top and side perspective view of the workbench extender showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof; and,

FIG. 6 is a top plan view thereof, the bottom view being a mirror image of the top view shown in FIG. 6. 

The ornamental design for a workbench extender, as shown and described. 